[FFmpeg-user] pixelated video after inserting a logo

Rossana Guerra guerra.rossana at gmail.com
Sat May 19 21:59:07 CEST 2012


Sorry, since I am pretty newbie in this subject. You mention to increase
the bitrate, use a diffferent lossy codec.
Do you have a more explicit example? I appreciate very much, nonethless
I'll take a read on what you mentioned.

Thanks and regards

Rossana

2012/5/19 Stefano Sabatini <stefasab at gmail.com>

> On date Saturday 2012-05-19 01:03:11 -0300, Rossana Guerra encoded:
> > Hello, applying the following command, the output appears pixelated. Why
> is
> > this? is there a parameter o setting I am missing?
> >
> >  ffmpeg -i input.avi -vf "movie=watermark.png [logo]; [in][logo]
> > overlay=W-w-10:H-h-10[out]" output.avi
>
> That depends most likely on the default output quality. You can
> increase the output bitrate or the quality to fix that, use a
> different lossy codec with a better quality/compression ratio (AVI
> assumes MPEG-4 part 2 by default, but you can change that through the
> -vcodec option), or use a lossless codec.
> --
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